Speckle Observations of Binary Stars with the WIYN Telescope. VII. Measures during 2008-2009

Details Speckle Observations of Binary Stars with the WIYN Telescope. VII. Measures during 2008-2009 Speckle Observations of Binary Stars with the WIYN Telescope. VII. Measures during 2008-2009

Jan 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aj....143...10h&link_type=abstract

The Astronomical Journal, Volume 143, Issue 1, article id. 10 (2012).

Astronomy and Astrophysics

Astronomy

Binaries: Visual, Techniques: High Angular Resolution, Techniques: Interferometric, Techniques: Photometric

Scientific paper

Five hundred thirty-one speckle measures of binary stars are reported. These data were taken mainly during the period 2008 June through 2009 October at the WIYN 3.5 m Telescope at Kitt Peak and represent the last data set of single-filter speckle observations taken in the WIYN speckle program prior to the use of the current two-channel speckle camera. The astrometric and photometric precision of these observations is consistent with previous papers in this series: we obtain a typical linear measurement uncertainty of approximately 2.5 mas, and the magnitude differences reported have typical uncertainties in the range of 0.1-0.14 mag. In combination with measures already in the literature, the data presented here permit the revision of the orbit of A 1634AB (= HIP 76041) and the first determination of visual orbital elements for HDS 1895 (= HIP 65982).
The WIYN Observatory is a joint facility of the University of Wisconsin-Madison, Indiana University, Yale University, and the National Optical Astronomy Observatories.

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